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... for the callosal abnormality. Anatomic T2-weighted imaging revealed complete ACC, parallel configuration of lateral ventricles, and colpocephaly. The third patient was an 18-month-old male infant presenting with spasticity of the right arm. He did not have any history of perinatal asphyxia or premat ...
... for the callosal abnormality. Anatomic T2-weighted imaging revealed complete ACC, parallel configuration of lateral ventricles, and colpocephaly. The third patient was an 18-month-old male infant presenting with spasticity of the right arm. He did not have any history of perinatal asphyxia or premat ...
Psychology and Life Richard J. Gerrig Twentieth Edition Psychology
... a 1000 hertz tone (Siegel et al., 1968). During an extinction phase, the rabbits were tested on the training tone as well as tones that varied in distance from that tone. Tones more similar to the training tone produced more conditioned responses than those further away. Data from Siegel, S., Hearst ...
... a 1000 hertz tone (Siegel et al., 1968). During an extinction phase, the rabbits were tested on the training tone as well as tones that varied in distance from that tone. Tones more similar to the training tone produced more conditioned responses than those further away. Data from Siegel, S., Hearst ...
Magnetoencephalographic Investigation of Human Cortical Area V1
... motion information (for reviews of MEG, see Hämäläinen et al., 1993; Harding, 1993). MEG cannot be used to measure the spatio-temporal selectivity of individual neurons, but rather measures activity generated by a population of cortical neurons. To establish the selectivity of individual units wo ...
... motion information (for reviews of MEG, see Hämäläinen et al., 1993; Harding, 1993). MEG cannot be used to measure the spatio-temporal selectivity of individual neurons, but rather measures activity generated by a population of cortical neurons. To establish the selectivity of individual units wo ...
Functional Organization of Ferret Auditory Cortex
... rate (Sutter and Schreiner, 1991). This criterion level was used to construct a tuning curve, from which other parameters (such as characteristic frequency, CF, and tuning properties, see below) were extracted. This algorithm was performed automatically by MATLAB. All FRAs were individually examined ...
... rate (Sutter and Schreiner, 1991). This criterion level was used to construct a tuning curve, from which other parameters (such as characteristic frequency, CF, and tuning properties, see below) were extracted. This algorithm was performed automatically by MATLAB. All FRAs were individually examined ...
An oscillation-based model for the neuronal basis
... We here present a model where the temporal tagging (Crick & Koch, 1990b) is implemented at the single cell level using an oscillatory signal in the 3&50 Hz range. We have also investigated to what extent temporal tagging can be achieved by synchronizing the firing rate of a group of neurons without ...
... We here present a model where the temporal tagging (Crick & Koch, 1990b) is implemented at the single cell level using an oscillatory signal in the 3&50 Hz range. We have also investigated to what extent temporal tagging can be achieved by synchronizing the firing rate of a group of neurons without ...
Reflexes. Reaction time.
... one motor neuron; monosynaptic refers to the presence of a single chemical synapse) – peripheral muscle reflexes (patellar reflex, achilles reflex): brief stimulation to the muscle spindle results in contraction of the muscle – high conduction velocity, short latency, without extension (i.e. no irra ...
... one motor neuron; monosynaptic refers to the presence of a single chemical synapse) – peripheral muscle reflexes (patellar reflex, achilles reflex): brief stimulation to the muscle spindle results in contraction of the muscle – high conduction velocity, short latency, without extension (i.e. no irra ...
Ch.11
... • Cranial nerves arising from the brain • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
... • Cranial nerves arising from the brain • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
POWERPOINT VERSION ()
... • Cranial nerves arising from the brain • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
... • Cranial nerves arising from the brain • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
ppt - UC Davis Imaging Research Center
... Only recently have attempts been made to dissociate neural activity in regard to different types of shifts (Wager, et al., 2005). We focus on two types of shifts: Perceptual shifts – shifts between the processing of stimulus features such as color and shape Contextual shifts – shifts in the ...
... Only recently have attempts been made to dissociate neural activity in regard to different types of shifts (Wager, et al., 2005). We focus on two types of shifts: Perceptual shifts – shifts between the processing of stimulus features such as color and shape Contextual shifts – shifts in the ...
Copy of PNS philadelphia
... the rest of the world. One technology, for example, allows patients to type out sentences by twitching their cheek. These sentences can then be read aloud by a computer. A relatively new line of research for helping paralyzed patients, including those with ALS, to communicate and retain a degree of ...
... the rest of the world. One technology, for example, allows patients to type out sentences by twitching their cheek. These sentences can then be read aloud by a computer. A relatively new line of research for helping paralyzed patients, including those with ALS, to communicate and retain a degree of ...
Auditory Hallucinations as a Separate Entitity
... (AAr) and the area surrounding it are also essential for auditory spatial memory and for mediating changes in gaze to and guiding movements toward, remembered auditory stimuli. Consistent with their electrophysiological properties, behavioral experiments have demonstrated that both the auditory thal ...
... (AAr) and the area surrounding it are also essential for auditory spatial memory and for mediating changes in gaze to and guiding movements toward, remembered auditory stimuli. Consistent with their electrophysiological properties, behavioral experiments have demonstrated that both the auditory thal ...
“visual pathway and its lesions” dr.tasneem
... Light rays pass through the vitreous before reaching the retina. The retina lines the back two-thirds of the eye and is responsible for the wide field of vision that most people experience. For clear vision, light rays must focus directly on the retina. When light focuses in front of or behind the r ...
... Light rays pass through the vitreous before reaching the retina. The retina lines the back two-thirds of the eye and is responsible for the wide field of vision that most people experience. For clear vision, light rays must focus directly on the retina. When light focuses in front of or behind the r ...
Electronic Combat in Nature
... Constant Frequency These are narrowband sounds of milliseconds duration and transmitted without significantly changing the frequency. They are good for detection because there is a lot of power within a single channel. However these signals are poor for localisation or direction finding because they ...
... Constant Frequency These are narrowband sounds of milliseconds duration and transmitted without significantly changing the frequency. They are good for detection because there is a lot of power within a single channel. However these signals are poor for localisation or direction finding because they ...
Transformation from temporal to rate coding in a somatosensory
... process. The latency of the response onset increased during the 8-Hz train until it stabilized at a signi®cantly longer steady-state value (Fig. 1, POm raster display and PSTHs). These latency shifts resulted in decreased spike counts in the POm neurons because offset latencies did not change. In th ...
... process. The latency of the response onset increased during the 8-Hz train until it stabilized at a signi®cantly longer steady-state value (Fig. 1, POm raster display and PSTHs). These latency shifts resulted in decreased spike counts in the POm neurons because offset latencies did not change. In th ...
Review Questions
... 29. A hemorrhage in the ventral-caudal (lower) pons selectively involving the descending pyramidal (corticospinal) fibers (before the decussation) on the right will cause A. weakness/paralysis in the upper extremity only. B. weakness on the left half of the body. C. weakness on both (left and right) ...
... 29. A hemorrhage in the ventral-caudal (lower) pons selectively involving the descending pyramidal (corticospinal) fibers (before the decussation) on the right will cause A. weakness/paralysis in the upper extremity only. B. weakness on the left half of the body. C. weakness on both (left and right) ...
22. ANS.Neuroscience
... rami communicantes, which carry preganglionic sympathetic fibers to the sympathetic chain • All the ventral rami receive postganglionic sympathetic fibers from sympathetic chain by a gray ramus • The sympathetic chains carry the preganglionic fibers from T1-L2 levels up to the head and neck and down ...
... rami communicantes, which carry preganglionic sympathetic fibers to the sympathetic chain • All the ventral rami receive postganglionic sympathetic fibers from sympathetic chain by a gray ramus • The sympathetic chains carry the preganglionic fibers from T1-L2 levels up to the head and neck and down ...
ANS.Neuroscience.09
... rami communicantes, which carry preganglionic sympathetic fibers to the sympathetic chain • All the ventral rami receive postganglionic sympathetic fibers from sympathetic chain by a gray ramus • The sympathetic chains carry the preganglionic fibers from T1-L2 levels up to the head and neck and down ...
... rami communicantes, which carry preganglionic sympathetic fibers to the sympathetic chain • All the ventral rami receive postganglionic sympathetic fibers from sympathetic chain by a gray ramus • The sympathetic chains carry the preganglionic fibers from T1-L2 levels up to the head and neck and down ...
Neuronal activity in dorsomedial frontal cortex and prefrontal cortex
... the monkeys alternated between tasks in which cue location was the relevant stimulus dimension and other tasks in which it was not. Under such circumstances, one might argue that cells in DMF and PF were affected by stimulus location in nonspatially guided tasks because spatial factors controlled re ...
... the monkeys alternated between tasks in which cue location was the relevant stimulus dimension and other tasks in which it was not. Under such circumstances, one might argue that cells in DMF and PF were affected by stimulus location in nonspatially guided tasks because spatial factors controlled re ...
Nervous System Outline
... • Depolarization – the inside of the membrane becomes less negative • Repolarization – the membrane returns to its resting membrane potential • Hyperpolarization –the inside of the membrane becomes more negative than the resting potential Action Potentials (APs) ...
... • Depolarization – the inside of the membrane becomes less negative • Repolarization – the membrane returns to its resting membrane potential • Hyperpolarization –the inside of the membrane becomes more negative than the resting potential Action Potentials (APs) ...
Behavioural Brain Research Multisensory contributions to the
... range goes from about 20 Hz to 20 kHz in young healthy adults (see [14]). Despite these important differences, one interesting aspect is that, albeit small, there is a window of overlap between the ranges of vibratory sensitivity of each modality that provides the basis for audio-tactile interaction ...
... range goes from about 20 Hz to 20 kHz in young healthy adults (see [14]). Despite these important differences, one interesting aspect is that, albeit small, there is a window of overlap between the ranges of vibratory sensitivity of each modality that provides the basis for audio-tactile interaction ...
Hemispheric Asymmetry in Visual Perception Arises from Differential Encoding
... clusters was about 20 percent larger in the LH. This wider spacing implies that more functionally distinct columnar systems can be included per surface unit in the LH than in the RH. In addition, in the LH, each cortical column has fewer connections with neighboring columns compared with the RH (Sel ...
... clusters was about 20 percent larger in the LH. This wider spacing implies that more functionally distinct columnar systems can be included per surface unit in the LH than in the RH. In addition, in the LH, each cortical column has fewer connections with neighboring columns compared with the RH (Sel ...